Hugh Grant and Renee Zellweger were among the stars of Bridget Jones: Mad About The Boy celebrating the movie’s London premiere on Wednesday night before heading off to an exclusive after party.

I run for my sanity," Zellweger added. As Grant — who is returning as Lothario Daniel Cleaver in the fourth flick, after not starring in the third movie ... who gained weight to play Bridget ...

Renée Zellweger is a popular actress whose career spans over three decades. She has an estimated net worth of $90 million.